KR100917487B1 - 암호화된 데이터를 처리하기 위한 장치 및 방법 - Google Patents

암호화된 데이터를 처리하기 위한 장치 및 방법 Download PDF

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Publication number
KR100917487B1
KR100917487B1 KR1020047009066A KR20047009066A KR100917487B1 KR 100917487 B1 KR100917487 B1 KR 100917487B1 KR 1020047009066 A KR1020047009066 A KR 1020047009066A KR 20047009066 A KR20047009066 A KR 20047009066A KR 100917487 B1 KR100917487 B1 KR 100917487B1
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KR
South Korea
Prior art keywords
data
key
decoder
receiver
cmps
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KR1020047009066A
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English (en)
Korean (ko)
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KR20040082381A (ko
Inventor
다비 르뽀리니
쟝-베르나르 부뀌
미셀 앙겔
Original Assignee
톰슨 라이센싱
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Application filed by 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20040082381A publication Critical patent/KR20040082381A/ko
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Publication of KR100917487B1 publication Critical patent/KR100917487B1/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4437—Implementing a Virtual Machine [VM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
KR1020047009066A 2001-12-12 2002-12-12 암호화된 데이터를 처리하기 위한 장치 및 방법 KR100917487B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01403228A EP1320006A1 (en) 2001-12-12 2001-12-12 Processing data
EP01403228.8 2001-12-12
PCT/IB2002/005774 WO2003050661A2 (en) 2001-12-12 2002-12-12 Processing data

Publications (2)

Publication Number Publication Date
KR20040082381A KR20040082381A (ko) 2004-09-24
KR100917487B1 true KR100917487B1 (ko) 2009-09-16

Family

ID=8183020

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020047009066A KR100917487B1 (ko) 2001-12-12 2002-12-12 암호화된 데이터를 처리하기 위한 장치 및 방법

Country Status (9)

Country Link
US (1) US7590860B2 (zh)
EP (2) EP1320006A1 (zh)
JP (1) JP2005531165A (zh)
KR (1) KR100917487B1 (zh)
CN (1) CN100476683C (zh)
AU (1) AU2002366694A1 (zh)
IL (1) IL162346A0 (zh)
MX (1) MXPA04005607A (zh)
WO (1) WO2003050661A2 (zh)

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Also Published As

Publication number Publication date
MXPA04005607A (es) 2005-04-19
EP1320006A1 (en) 2003-06-18
KR20040082381A (ko) 2004-09-24
AU2002366694A8 (en) 2003-06-23
CN1605052A (zh) 2005-04-06
US7590860B2 (en) 2009-09-15
CN100476683C (zh) 2009-04-08
IL162346A0 (en) 2005-11-20
JP2005531165A (ja) 2005-10-13
AU2002366694A1 (en) 2003-06-23
US20030110382A1 (en) 2003-06-12
WO2003050661A2 (en) 2003-06-19
EP1463983A2 (en) 2004-10-06
WO2003050661A3 (en) 2004-07-22

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